Luminaire



FIG. 1 is a top perspective view of a luminaire;

FIG. 2 is a top view thereof;

FIG. 3 is a cross sectional view taken from the cut line 3-3 in FIG. 2 thereof; and,

FIG. 4 is a cross sectional view taken from the cut line 4-4 in FIG. 2 thereof.

The broken lines in the drawings illustrate portions of the luminaire which forms no part of the claimed design. 

CLAIM The ornamental design for a luminaire, as shown and described. 